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SM490 steel plate
SM490 steel plate is a high-strength structural steel manufactured according to the Japanese standard JIS G3106. It is designed for welded structures requiring excellent mechanical properties and welding performance. Available in grades SM490A, B, C, YA, and YB, it is widely used in buildings, bridges, ships, automobiles, and heavy machinery.
ASTM: A572 Gr.50 / A514 (varies by grade)GB: Q345B / Q390BEN: S355JR / S355J2
MaterialJIS G3106
Thickness6-200 mm
Width1500-3500 mm
Length6000-12000 mm
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | JIS G3106 | Standard | JIS G3106 |
| Thickness Range | 6-200 mm | Width Range | 1500-3500 mm |
| Length Range | 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.20 | Si | ≤0.55 |
| Mn | 1.60 Max | P | ≤0.035 |
| S | ≤0.035 | Yield Strength | ≥325 MPa |
| Tensile Strength | 490-610 MPa |
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